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authorMikael Djurfeldt <djurfeldt@nada.kth.se>1997-10-03 00:44:28 +0000
committerMikael Djurfeldt <djurfeldt@nada.kth.se>1997-10-03 00:44:28 +0000
commit4bfdf1584d55f7586ec6ba2baef513414fad20b0 (patch)
treeb6e391a86b117d3ff8f30952d6472643187f9d04 /libguile/struct.c
parentf44dd64b76692365a4f9cc5f46cdf78aae116cac (diff)
downloadguile-4bfdf1584d55f7586ec6ba2baef513414fad20b0.tar.gz
1997-10-03 Mikael Djurfeldt <mdj@nada.kth.se>
* print.h (SCM_PRINT_STATE_P): Removed SCM_NIMP test. (NIMP macros should by convention not test for NIMPness.) (SCM_COERCE_OPORT): Adjust indentation. * print.c (scm_valid_oport_value_p): Adjusted indentation; Added SCM_NIMP test before SCM_PRINT_STATE_P. * struct.c, struct.h, gc.c: Renamed: scm_struct_i_layout --> scm_vtable_index_layout scm_struct_i_vcell --> scm_vtable_index_vcell scm_struct_i_vtable --> scm_vtable_index_vtable scm_struct_i_printer --> scm_vtable_index_printer scm_struct_i_vtable_offset --> scm_vtable_offset_user * struct.c (scm_print_struct): Use new printer slot; Default printing: Also output hex code of vtable so that type identity will be indicated as well. (scm_init_struct): Updated required_vtable_fields to "pruosrpw"; Removed struct_printer_var; Removed struct-vtable-offset; (vtable-index-layout, vtable-index-vtable, vtable-index-printer, vtable-offset-user): New constants. * struct.h (scm_struct_i_vtable_offset): Bumped from 3 to 4. (scm_struct_i_printer, SCM_STRUCT_PRINTER): New slot in vtables. If this slot contains a procedure, use that to print structures of the type represented by this vtable. * print.c (scm_iprin1): Don't print arguments of macro transformers. (They are always: exp env.); Bugfix: Unmemoize transformer source with correct environment.
Diffstat (limited to 'libguile/struct.c')
-rw-r--r--libguile/struct.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/libguile/struct.c b/libguile/struct.c
index ecd1e875d..b3f0ef74c 100644
--- a/libguile/struct.c
+++ b/libguile/struct.c
@@ -56,7 +56,6 @@
static SCM required_vtable_fields = SCM_BOOL_F;
static int struct_num = 0;
-static SCM struct_printer_var;
SCM_PROC (s_struct_make_layout, "make-struct-layout", 1, 0, 0, scm_make_struct_layout);
@@ -357,7 +356,7 @@ scm_make_struct (vtable, tail_array_size, init)
SCM_ASSERT (SCM_INUMP (tail_array_size), tail_array_size, SCM_ARG2,
s_make_struct);
- layout = SCM_STRUCT_DATA (vtable)[scm_struct_i_layout];
+ layout = SCM_STRUCT_DATA (vtable)[scm_vtable_index_layout];
basic_size = SCM_LENGTH (layout) / 2;
tail_elts = SCM_INUM (tail_array_size);
SCM_NEWCELL (handle);
@@ -604,12 +603,14 @@ scm_print_struct (exp, port, pstate)
SCM port;
scm_print_state *pstate;
{
- SCM prt = SCM_CDR (struct_printer_var);
- if (SCM_FALSEP(prt) ||
- SCM_FALSEP(scm_printer_apply (prt, exp, port, pstate)))
+ if (SCM_NFALSEP (scm_procedure_p (SCM_STRUCT_PRINTER (exp))))
+ scm_printer_apply (SCM_STRUCT_PRINTER (exp), exp, port, pstate);
+ else
{
scm_gen_write (scm_regular_string, "#<struct ", sizeof ("#<struct ") - 1,
port);
+ scm_intprint (SCM_STRUCT_VTABLE (exp), 16, port);
+ scm_gen_putc (':', port);
scm_intprint (exp, 16, port);
scm_gen_putc ('>', port);
}
@@ -618,9 +619,11 @@ scm_print_struct (exp, port, pstate)
void
scm_init_struct ()
{
- required_vtable_fields = SCM_CAR (scm_intern_obarray ("pruosr", sizeof ("pruosr") - 1, SCM_BOOL_F));
+ required_vtable_fields = SCM_CAR (scm_intern_obarray ("pruosrpw", sizeof ("pruosrpw") - 1, SCM_BOOL_F));
scm_permanent_object (required_vtable_fields);
- scm_sysintern ("struct-vtable-offset", SCM_MAKINUM (scm_struct_i_vtable_offset));
- struct_printer_var = scm_sysintern("*struct-printer*", SCM_BOOL_F);
+ scm_sysintern ("vtable-index-layout", SCM_MAKINUM (scm_vtable_index_layout));
+ scm_sysintern ("vtable-index-vtable", SCM_MAKINUM (scm_vtable_index_vtable));
+ scm_sysintern ("vtable-index-printer", SCM_MAKINUM (scm_vtable_index_printer));
+ scm_sysintern ("vtable-offset-user", SCM_MAKINUM (scm_vtable_offset_user));
#include "struct.x"
}